Different revenue accounts per individual item should only be assigned in the rare case that an item has a different revenue account from the item group it belongs to.

1. Go to the  Home tab in the function bar and select  Item >  Search and open the item you want.
2. Enter the Revenue account in the middle of the input screen individually per price group.
3. Enter a Cost centre if needed.
4.  Save your input by clicking on the icon in the top left-hand corner of the input window.